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2431421223 = 3711671271237
BaseRepresentation
bin1001000011101100…
…1000101100100111
320021110010222212220
42100323020230213
514434420434343
61041133443423
7114152511420
oct22073105447
96243128786
102431421223
111038523830
1257a340573
132c996a7aa
14190cbc647
15e36d1183
hex90ec8b27

2431421223 has 64 divisors (see below), whose sum is σ = 4137811968. Its totient is φ = 1233429120.

The previous prime is 2431421191. The next prime is 2431421257. The reversal of 2431421223 is 3221241342.

It is a happy number.

It is not a de Polignac number, because 2431421223 - 25 = 2431421191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2431421193 and 2431421202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431421123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1964961 + ... + 1966197.

It is an arithmetic number, because the mean of its divisors is an integer number (64653312).

Almost surely, 22431421223 is an apocalyptic number.

2431421223 is a deficient number, since it is larger than the sum of its proper divisors (1706390745).

2431421223 is a wasteful number, since it uses less digits than its factorization.

2431421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 2304, while the sum is 24.

The square root of 2431421223 is about 49309.4435478641. The cubic root of 2431421223 is about 1344.6834747580.

Adding to 2431421223 its reverse (3221241342), we get a palindrome (5652662565).

The spelling of 2431421223 in words is "two billion, four hundred thirty-one million, four hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 3 7 11 21 33 67 77 127 201 231 381 469 737 889 1237 1397 1407 2211 2667 3711 4191 5159 8509 8659 9779 13607 15477 25527 25977 29337 40821 59563 82879 93599 95249 157099 178689 248637 280797 285747 471297 580153 655193 911669 1099693 1728089 1740459 1965579 2735007 3299079 5184267 6381683 10525633 12096623 19145049 31576899 36289869 73679431 115781963 221038293 347345889 810473741 2431421223